20479984

素因数分解:

$2^4\times 7^1\times {\mathrm{182857}}^1$

素因数の和:182872

約数の個数: 20

約数和(自身を含む): 45348784

約数和(自身を除く): 24868800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182857, 365714, 731428, 1279999, 1462856, 2559998, 2925712, 5119996, 10239992, 20479984]

約数ペア:

[(1, 20479984), (2, 10239992), (4, 5119996), (7, 2925712), (8, 2559998), (14, 1462856), (16, 1279999), (28, 731428), (56, 365714), (112, 182857)]